////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Thu 04 Sep 25 10:22:36 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250904br TRIGGER_DATE: 20922 TJD; 247 DOY; 2025/09/04 (yyyy/mm/dd) TRIGGER_TIME: 37327.998046 SOD {10:22:07.998046} UT SEQUENCE_NUM: 1 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 0 = undefined FAR: 3.154e-10 [Hz] (one per 36693.3 days) (one per 100.53 years) TRIGGER_ID: 0x10 MISC: 0x1898803 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250904br/files/amplfi.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250904br/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Thu 04 Sep 25 10:27:12 UT NOTICE_TYPE: LVC Preliminary TRIGGER_NUM: S250904br TRIGGER_DATE: 20922 TJD; 247 DOY; 2025/09/04 (yyyy/mm/dd) TRIGGER_TIME: 37328.021972 SOD {10:22:08.021972} UT SEQUENCE_NUM: 2 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 3.168e-10 [Hz] (one per 36533.1 days) (one per 100.09 years) PROB_NS: 0.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [range is 0.0-1.0] PROB_BNS: 0.00 [range is 0.0-1.0] PROB_NSBH: 0.00 [range is 0.0-1.0] PROB_BBH: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x2898A07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250904br/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250904br/view/ COMMENTS: LVC Preliminary Trigger Alert. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Thu 04 Sep 25 10:54:02 UT NOTICE_TYPE: LVC Initial Skymap TRIGGER_NUM: S250904br TRIGGER_DATE: 20922 TJD; 247 DOY; 2025/09/04 (yyyy/mm/dd) TRIGGER_TIME: 37328.021972 SOD {10:22:08.021972} UT SEQUENCE_NUM: 3 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 3.168e-10 [Hz] (one per 36533.1 days) (one per 100.09 years) PROB_NS: 0.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [range is 0.0-1.0] PROB_BNS: 0.00 [range is 0.0-1.0] PROB_NSBH: 0.00 [range is 0.0-1.0] PROB_BBH: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x3898A07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250904br/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250904br/view/ COMMENTS: LVC Super Initial Skymap -- a location probability map. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Thu 04 Sep 25 10:54:10 UT NOTICE_TYPE: LVC Initial Skymap TRIGGER_NUM: S250904br TRIGGER_DATE: 20922 TJD; 247 DOY; 2025/09/04 (yyyy/mm/dd) TRIGGER_TIME: 37328.021972 SOD {10:22:08.021972} UT SEQUENCE_NUM: 4 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 3.168e-10 [Hz] (one per 36533.1 days) (one per 100.09 years) PROB_NS: 0.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [range is 0.0-1.0] PROB_BNS: 0.00 [range is 0.0-1.0] PROB_NSBH: 0.00 [range is 0.0-1.0] PROB_BBH: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x4898A07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250904br/files/bayestar.multiorder.fits,1 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250904br/view/ COMMENTS: LVC Super Initial Skymap -- a location probability map. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event. ////////////////////////////////////////////////////////////////////// TITLE: GCN/LVC NOTICE NOTICE_DATE: Fri 05 Sep 25 07:49:39 UT NOTICE_TYPE: LVC Update Skymap TRIGGER_NUM: S250904br TRIGGER_DATE: 20922 TJD; 247 DOY; 2025/09/04 (yyyy/mm/dd) TRIGGER_TIME: 37328.021972 SOD {10:22:08.021972} UT SEQUENCE_NUM: 5 GROUP_TYPE: 1 = CBC SEARCH_TYPE: 1 = AllSky PIPELINE_TYPE: 15 = pycbc FAR: 3.168e-10 [Hz] (one per 36533.1 days) (one per 100.09 years) PROB_NS: 0.00 [range is 0.0-1.0] PROB_REMNANT: 0.00 [range is 0.0-1.0] PROB_BNS: 0.00 [range is 0.0-1.0] PROB_NSBH: 0.00 [range is 0.0-1.0] PROB_BBH: 1.00 [range is 0.0-1.0] PROB_MassGap: 0.00 [range is 0.0-1.0] PROB_TERRES: 0.00 [range is 0.0-1.0] TRIGGER_ID: 0x10 MISC: 0x5898A07 SKYMAP_FITS_URL: https://gracedb.ligo.org/api/superevents/S250904br/files/Bilby.multiorder.fits,0 EVENTPAGE_URL: https://gracedb.ligo.org/superevents/S250904br/view/ COMMENTS: LVC Super Updated Skymap -- a location probability map. COMMENTS: This event is an OpenAlert. COMMENTS: LIGO-Hanford Observatory contributed to this candidate event. COMMENTS: LIGO-Livingston Observatory contributed to this candidate event. COMMENTS: VIRGO Observatory contributed to this candidate event.